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| 1 | <?php |
| 2 | /** |
| 3 | * @author: Doug Wilbourne (dougwilbourne@gmail.com) |
| 4 | */ |
| 5 | |
| 6 | declare(strict_types=1); |
| 7 | |
| 8 | namespace pvc\frmtr\numeric; |
| 9 | |
| 10 | use NumberFormatter; |
| 11 | use pvc\frmtr\err\InvalidMinMaxFractionalDigitException; |
| 12 | use pvc\interfaces\struct\range\RangeInterface; |
| 13 | |
| 14 | /** |
| 15 | * Class FrmtrFloat |
| 16 | */ |
| 17 | class FrmtrFloat extends FrmtrNumber |
| 18 | { |
| 19 | /** |
| 20 | * @param RangeInterface<int> $fractionalDigits |
| 21 | */ |
| 22 | public function __construct(protected RangeInterface $fractionalDigits) |
| 23 | { |
| 24 | /** |
| 25 | * these are the default values for Decimal NumberFormatter when you create it |
| 26 | */ |
| 27 | $this->fractionalDigits->setRange(0, 3); |
| 28 | } |
| 29 | |
| 30 | /** |
| 31 | * getFractionalDigits |
| 32 | * @return RangeInterface<int> |
| 33 | */ |
| 34 | public function getFractionalDigits(): RangeInterface |
| 35 | { |
| 36 | return $this->fractionalDigits; |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * setMinFractionalDigits |
| 41 | * @param non-negative-int $minDigits |
| 42 | * @param non-negative-int $maxDigits |
| 43 | * @throws InvalidMinMaxFractionalDigitException |
| 44 | */ |
| 45 | |
| 46 | public function setFractionalDigits(int $minDigits, int $maxDigits): void |
| 47 | { |
| 48 | /** |
| 49 | * the theoretical limit is something really large like 2^32, so we are not going to error check it on the |
| 50 | * large side |
| 51 | */ |
| 52 | if ($maxDigits < 0 || $minDigits < 0) { |
| 53 | throw new InvalidMinMaxFractionalDigitException(); |
| 54 | } |
| 55 | $this->fractionalDigits->setRange($minDigits, $maxDigits); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * @function createFormatter |
| 60 | * @return NumberFormatter |
| 61 | */ |
| 62 | #[\Override] |
| 63 | protected function createFormatter(): NumberFormatter |
| 64 | { |
| 65 | $fractionalDigits = $this->fractionalDigits->getRange(); |
| 66 | |
| 67 | $formatter = parent::createFormatter(); |
| 68 | $formatter->setAttribute(NumberFormatter::MIN_FRACTION_DIGITS, $fractionalDigits[0]); |
| 69 | $formatter->setAttribute(NumberFormatter::MAX_FRACTION_DIGITS, $fractionalDigits[1]); |
| 70 | return $formatter; |
| 71 | } |
| 72 | } |